Hello, I'm evaluating GlusterFS as a storage backend for webcontent behind a cache cluster and I feel I'm not getting the performance I should. My test hardware is: client: dual opteron 2.2ghz, 4gb ram, 2x36.5gb scsi in hardware raid1 ext3 servers: pentium d 2.8ghz, 1gb ram, 4x500gb sata in software raid5 ext3 the servers are connected via gigabit ethernet on a dedicated switch with no other traffic. All servers are running Ubuntu 8.04 64bit. I tried GlusterFS 2.0.1 and 2.0.2 with similar results. my glusterfs config is as follows, all translators with default options: server: posix locks io-threads server(tcp) client: clients(tcp) [distribute] read-ahead write-behind io-threads I ran some tests copying a 227mb fileset consisting of 21690 image files with an average size of 8kb. For comparison I used a NFSv3 share. Here are the results: NFS: write: 74s read: 36s GlusterFS 1 Server: write: 332s read: 59s GlusterFS 2 Servers with Distribute: write: 331s read: 60s I monitored Loadaverage, CPU and Diskusage on all machines and found no bottleneck there. Network problems are also not an option as NFS does way better. Am I right in expecting better performance from GlusterFS and does anyone know where I could start in improving? Thanks, Martin